Using archival data from ESA’s XMM-Newton spacecraft and NASA’s Chandra X-ray observatory, astronomers have investigated one of gamma-ray radio-quiet pulsars
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Where is the universe hiding its missing mass?
Astronomers have spent decades looking for something that sounds like it would be hard to miss: about a third of
Continue readingX-ray pulse detected near event horizon as black hole devours star
On Nov. 22, 2014, astronomers spotted a rare event in the night sky: A supermassive black hole at the center
Continue readingMaking head or tail of a galactic landscape
Astronomers have used data from NASA’s Chandra X-ray Observatory to capture a dramatic image of an enormous tail of hot
Continue readingWe’ve Just Seen What Happens When a Galaxy Punches a Giant Hole Through Another
There are many strange galaxies out there in space, but about 300 million light-years away is one that’s really something.
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